Linux Audio
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Embedded Linux Audio
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/* SPDX-License-Identifier: GPL-2.0-only */ /* * arch/arm/mach-pxa/include/mach/gumstix.h */ #include "irqs.h" /* PXA_GPIO_TO_IRQ */ /* BTRESET - Reset line to Bluetooth module, active low signal. */ #define GPIO_GUMSTIX_BTRESET 7 #define GPIO_GUMSTIX_BTRESET_MD (GPIO_GUMSTIX_BTRESET | GPIO_OUT) /* GPIOn - Input from MAX823 (or equiv), normalizing USB +5V into a clean interrupt signal for determining cable presence. On the gumstix F, this moves to GPIO17 and GPIO37. */ /* GPIOx - Connects to USB D+ and used as a pull-up after GPIOn has detected a cable insertion; driven low otherwise. */ #define GPIO_GUMSTIX_USB_GPIOn 35 #define GPIO_GUMSTIX_USB_GPIOx 41 /* usb state change */ #define GUMSTIX_USB_INTR_IRQ PXA_GPIO_TO_IRQ(GPIO_GUMSTIX_USB_GPIOn) #define GPIO_GUMSTIX_USB_GPIOn_MD (GPIO_GUMSTIX_USB_GPIOn | GPIO_IN) #define GPIO_GUMSTIX_USB_GPIOx_CON_MD (GPIO_GUMSTIX_USB_GPIOx | GPIO_OUT) #define GPIO_GUMSTIX_USB_GPIOx_DIS_MD (GPIO_GUMSTIX_USB_GPIOx | GPIO_IN) /* * SD/MMC definitions */ #define GUMSTIX_GPIO_nSD_WP 22 /* SD Write Protect */ #define GUMSTIX_GPIO_nSD_DETECT 11 /* MMC/SD Card Detect */ #define GUMSTIX_IRQ_GPIO_nSD_DETECT PXA_GPIO_TO_IRQ(GUMSTIX_GPIO_nSD_DETECT) /* * SMC Ethernet definitions * ETH_RST provides a hardware reset line to the ethernet chip * ETH is the IRQ line in from the ethernet chip to the PXA */ #define GPIO_GUMSTIX_ETH0_RST 80 #define GPIO_GUMSTIX_ETH0_RST_MD (GPIO_GUMSTIX_ETH0_RST | GPIO_OUT) #define GPIO_GUMSTIX_ETH1_RST 52 #define GPIO_GUMSTIX_ETH1_RST_MD (GPIO_GUMSTIX_ETH1_RST | GPIO_OUT) #define GPIO_GUMSTIX_ETH0 36 #define GPIO_GUMSTIX_ETH0_MD (GPIO_GUMSTIX_ETH0 | GPIO_IN) #define GUMSTIX_ETH0_IRQ PXA_GPIO_TO_IRQ(GPIO_GUMSTIX_ETH0) #define GPIO_GUMSTIX_ETH1 27 #define GPIO_GUMSTIX_ETH1_MD (GPIO_GUMSTIX_ETH1 | GPIO_IN) #define GUMSTIX_ETH1_IRQ PXA_GPIO_TO_IRQ(GPIO_GUMSTIX_ETH1) /* CF reset line */ #define GPIO8_RESET 8 /* CF slot 0 */ #define GPIO4_nBVD1 4 #define GPIO4_nSTSCHG GPIO4_nBVD1 #define GPIO11_nCD 11 #define GPIO26_PRDY_nBSY 26 #define GUMSTIX_S0_nSTSCHG_IRQ PXA_GPIO_TO_IRQ(GPIO4_nSTSCHG) #define GUMSTIX_S0_nCD_IRQ PXA_GPIO_TO_IRQ(GPIO11_nCD) #define GUMSTIX_S0_PRDY_nBSY_IRQ PXA_GPIO_TO_IRQ(GPIO26_PRDY_nBSY) /* CF slot 1 */ #define GPIO18_nBVD1 18 #define GPIO18_nSTSCHG GPIO18_nBVD1 #define GPIO36_nCD 36 #define GPIO27_PRDY_nBSY 27 #define GUMSTIX_S1_nSTSCHG_IRQ PXA_GPIO_TO_IRQ(GPIO18_nSTSCHG) #define GUMSTIX_S1_nCD_IRQ PXA_GPIO_TO_IRQ(GPIO36_nCD) #define GUMSTIX_S1_PRDY_nBSY_IRQ PXA_GPIO_TO_IRQ(GPIO27_PRDY_nBSY) /* CF GPIO line modes */ #define GPIO4_nSTSCHG_MD (GPIO4_nSTSCHG | GPIO_IN) #define GPIO8_RESET_MD (GPIO8_RESET | GPIO_OUT) #define GPIO11_nCD_MD (GPIO11_nCD | GPIO_IN) #define GPIO18_nSTSCHG_MD (GPIO18_nSTSCHG | GPIO_IN) #define GPIO26_PRDY_nBSY_MD (GPIO26_PRDY_nBSY | GPIO_IN) #define GPIO27_PRDY_nBSY_MD (GPIO27_PRDY_nBSY | GPIO_IN) #define GPIO36_nCD_MD (GPIO36_nCD | GPIO_IN) /* for expansion boards that can't be programatically detected */ extern int am200_init(void); extern int am300_init(void);
